{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "In this report , two cases of ET which evolved into AL without prior exposure to radiation or alkylating agents , and which were treated with long - term hydroxyurea therapy , are described ."}
{"adverse effect": [{"subject": "AL", "object": "hydroxyurea"}]}